General Information: Parsley Piert is an annual weed which spreads quite
rapidly by creeping stems. It can be a major problem weed in lawns throughout the UK especially on
nutrient deficient lawns that are mown too closely.
Leaf: Parsley-piert has small fan shaped leaves, which are deeply toothed and
each leaf bears 3 lobes.
Flower: Parsley-piert flowers are green in colour and can be seen between the
months of April and September. They form in clusters at the base of the leaves and are very
Preferred habitat: As previously mentioned parsley-piert prefers dry, nutrient
deficient sandy soils that are mown very short.
Control: Hand weeding is ideal for parsley-piert as it is a shallow rooting
weed. Avoid mowing the lawn too short as this weed favours closely mown turf. Encourage a thick
sward with a balanced fertiliser program and good lawn care maintenance practices. Parsley-Piert
may prove difficult to control with chemicals as it is resistant to most selective herbicides. If
you intend going down the chemical route choose a product from the list below, however more than
one application will be needed for this lawn weed.
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